def EventRouting &block
  RabbitFeed::Consumer.event_routing ||= RabbitFeed::EventRouting.new
  RabbitFeed::Consumer.event_routing.instance_eval &block
end

def EventDefinitions &block
  RabbitFeed::Producer.event_definitions ||= RabbitFeed::EventDefinitions.new
  RabbitFeed::Producer.event_definitions.instance_eval &block
end
